1640662216

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{311203}}^1$

素因数の和:311868

約数の個数: 16

約数和(自身を含む): 3080919600

約数和(自身を除く): 1440257384

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 5272, 311203, 622406, 1244812, 2489624, 205082777, 410165554, 820331108, 1640662216]

約数ペア:

[(1, 1640662216), (2, 820331108), (4, 410165554), (8, 205082777), (659, 2489624), (1318, 1244812), (2636, 622406), (5272, 311203)]